Spring 启动 JMS：通过 (RxJava) 订阅访问 receiveMessage() 结果？

Question

如何访问 JMS 消息回执，例如'receiveMessage( )' 像 RxJava 订阅一样？

我不想以回调方式执行此操作。我想对调用者隐藏实现的细节，比如@JmsListener。

例如，当 JMS 队列中有可用消息时，我会调用一个典型的方法。

@JmsListener(destination = "mailbox", containerFactory = "myFactory")
public void receiveMessage(Email email) {
    logger.info("Received <" + email + ">");
}

如何通过 (RxJava) 订阅访问可用消息？

receiver.subscribe( message -> { ... });

Answer 1

只需使用 RxJava 主题。我知道 Observables 好一点。

PublishSubject<String> source; = PublishSubject.create();

public PublishSubject<String> getMessages() {
    source = PublishSubject.create();
    return source;
}

@JmsListener(destination = "mailbox", containerFactory = "myFactory")
public void receiveMessage(Email email) {
    logger.info("Received <" + email + ">");
    source.onNext( email.getmessage());
}

给消费者主题。它可以调用：

source.subscribe( f -> System.out.println( "Subscriber1: " + f));

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